22102100021123 has 8 divisors (see below), whose sum is σ = 22464509994816. Its totient is φ = 21739692643200.

The previous prime is 22102100021077. The next prime is 22102100021149. The reversal of 22102100021123 is 32112000120122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22102100021123 - 2³² = 22097805053827 is a prime.

It is a super-2 number, since 2×22102100021123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22102100021723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24351638 + ... + 25242948.

It is an arithmetic number, because the mean of its divisors is an integer number (2808063749352).

Almost surely, 2^{22102100021123} is an apocalyptic number.

22102100021123 is a deficient number, since it is larger than the sum of its proper divisors (362409973693).

22102100021123 is an equidigital number, since it uses as much as digits as its factorization.

22102100021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297885.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22102100021123 its reverse (32112000120122), we get a palindrome (54214100141245).

The spelling of 22102100021123 in words is "twenty-two trillion, one hundred two billion, one hundred million, twenty-one thousand, one hundred twenty-three".